US7788940B2 - Electronic equipment cabinet with integrated, high capacity, cooling system, and backup ventilation - Google Patents
Electronic equipment cabinet with integrated, high capacity, cooling system, and backup ventilation Download PDFInfo
- Publication number
- US7788940B2 US7788940B2 US11/458,732 US45873206A US7788940B2 US 7788940 B2 US7788940 B2 US 7788940B2 US 45873206 A US45873206 A US 45873206A US 7788940 B2 US7788940 B2 US 7788940B2
- Authority
- US
- United States
- Prior art keywords
- cabinet
- cooling
- electronic equipment
- flow path
- condenser
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
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Classifications
-
- H—ELECTRICITY
- H05—ELECTRIC TECHNIQUES NOT OTHERWISE PROVIDED FOR
- H05K—PRINTED CIRCUITS; CASINGS OR CONSTRUCTIONAL DETAILS OF ELECTRIC APPARATUS; MANUFACTURE OF ASSEMBLAGES OF ELECTRICAL COMPONENTS
- H05K7/00—Constructional details common to different types of electric apparatus
- H05K7/20—Modifications to facilitate cooling, ventilating, or heating
- H05K7/20709—Modifications to facilitate cooling, ventilating, or heating for server racks or cabinets; for data centers, e.g. 19-inch computer racks
- H05K7/208—Liquid cooling with phase change
- H05K7/20818—Liquid cooling with phase change within cabinets for removing heat from server blades
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- H—ELECTRICITY
- H05—ELECTRIC TECHNIQUES NOT OTHERWISE PROVIDED FOR
- H05K—PRINTED CIRCUITS; CASINGS OR CONSTRUCTIONAL DETAILS OF ELECTRIC APPARATUS; MANUFACTURE OF ASSEMBLAGES OF ELECTRICAL COMPONENTS
- H05K7/00—Constructional details common to different types of electric apparatus
- H05K7/20—Modifications to facilitate cooling, ventilating, or heating
- H05K7/20536—Modifications to facilitate cooling, ventilating, or heating for racks or cabinets of standardised dimensions, e.g. electronic racks for aircraft or telecommunication equipment
- H05K7/20554—Forced ventilation of a gaseous coolant
- H05K7/20572—Forced ventilation of a gaseous coolant within cabinets for removing heat from sub-racks, e.g. plenum
Definitions
- the disclosure also provides a method of controlling temperature in an electronic equipment cabinet having a closed loop refrigeration system coupled thereto, comprising: compressing and heating a refrigerant in the closed loop refrigeration system coupled to the cabinet; flowing the refrigerant into a condenser of the refrigeration system; flowing the refrigerant through an expansion device to cool the refrigerant; flowing the refrigerant through an evaporator and flowing air across surfaces of the evaporator to cool the air and heat the refrigerant; flowing the cooled air into the cabinet through a first flow path having a plurality of horizontal flow streams at different elevations in the cabinet across heated surfaces of the electronic equipment, the cooled air flowing in a circumferential horizontal direction around a periphery of the cabinet; and returning at least a portion of the refrigerant for compressing.
- the cabinet 22 can include a first portion 24 to support the equipment, a second portion 26 to enclose a portion of the refrigeration system such as a compressor and an evaporator, and a third portion 28 that can include a condenser and an exhaust fan.
- the second portion is disposed horizontally to the first portion, such as to the side
- the third portion is disposed vertically to the first portion, such as above the first portion.
- the first portion 24 generally includes a series of horizontal spaces 30 disposed in the cabinet.
- the horizontal spaces can be pre-assembled with various racks and trays for mounting equipment, circuit boards, and other electronic equipment.
- the horizontal spaces 30 can include mounting brackets and runners with, for example, pre-drilled openings to mount equipment.
- the cabinet 22 generally includes sides 32 , a back 34 , a top 36 , a bottom 38 , and a door 40 to gain access to the electronic equipment disposed therein.
- the door can include a security latch for restricted access.
- the system 20 can include a system indicator 42 .
- the system indicator 42 monitors, for example, temperature, humidity, voltage, and/or other operating aspects of the system 20 as may be desired. It can provide input to a system controller to control at least some of the conditions.
- the condenser 62 is used to cool the refrigerant, heated by the compressor compressing the refrigerant.
- a second flow path 72 (a first flow path 70 being through the evaporator as described below) is established through the condenser by flowing air or other fluid across its surfaces and through an exhaust fan 64 .
- the condenser 62 can be subdivided into one or more modules, so that refrigerant can be selectively controlled to each of the modules to control the amount of cooling from the refrigerant and hence head pressure on the refrigeration system.
- the condenser 62 can include, therefore, modules 62 A, 62 B, 62 C.
- the air flowing past the evaporator 56 can enter an intake of one or more fans 58 .
- the fans 58 can then increase velocity of the flow toward a periphery of the cabinet 22 and particularly the first portion 24 .
- the velocity from various fans can be varied, for example, by installing higher flow rate fans or otherwise controlling the fans' capacities in particular areas that may generate more heat. For example, a higher flow rate fan near the upper portion of the cabinet may be appropriate where higher temperatures may exist.
- the flow path through the evaporator 56 and the fans 58 around at least the periphery of the cabinet 22 establishes a first flow path 70 .
- the present invention alters the flow paths in such a way to relatively quickly supply cool air to the horizontal surfaces in a more direct fashion.
- the present disclosure can provide for a plurality of fans 58 at various elevations that can provide more intense and directed horizontal flow through the unit.
- the horizontal flow through the unit across the horizontal trays and horizontally mounted equipment is a relatively short direct path from the evaporator to the fans to the equipment.
- a plurality of fans such as stacked above each other, it is believed that a somewhat laminar airflow develops through at least a portion of the cabinet.
- the cooling system allows for a generally larger evaporator with small space requirements (i.e., small footprint) by using a generally vertically oriented evaporator along the height of the cabinet and yet still direct flow therethrough to correspond with the desired horizontal flow.
Abstract
Description
Claims (19)
Priority Applications (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
US11/458,732 US7788940B2 (en) | 2005-08-04 | 2006-07-20 | Electronic equipment cabinet with integrated, high capacity, cooling system, and backup ventilation |
Applications Claiming Priority (2)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
US70533905P | 2005-08-04 | 2005-08-04 | |
US11/458,732 US7788940B2 (en) | 2005-08-04 | 2006-07-20 | Electronic equipment cabinet with integrated, high capacity, cooling system, and backup ventilation |
Publications (2)
Publication Number | Publication Date |
---|---|
US20070030650A1 US20070030650A1 (en) | 2007-02-08 |
US7788940B2 true US7788940B2 (en) | 2010-09-07 |
Family
ID=37727825
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
US11/458,732 Active 2027-12-30 US7788940B2 (en) | 2005-08-04 | 2006-07-20 | Electronic equipment cabinet with integrated, high capacity, cooling system, and backup ventilation |
Country Status (4)
Country | Link |
---|---|
US (1) | US7788940B2 (en) |
EP (1) | EP1929850B1 (en) |
CN (1) | CN101238766B (en) |
WO (1) | WO2007018994A2 (en) |
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US20100073871A1 (en) * | 2008-09-24 | 2010-03-25 | Michael Patrick Flynn | Efficient site cooling technology |
US20100171400A1 (en) * | 2006-12-01 | 2010-07-08 | Hill Dennis Mason | Equipment cabinet with a ventilation system |
US20100195694A1 (en) * | 2009-02-05 | 2010-08-05 | International Business Machines Corporation | Heat Flow Measurement Tool for a Rack Mounted Assembly of Electronic Equipment |
US20110056223A1 (en) * | 2008-02-13 | 2011-03-10 | Hitachi Plant Technologies, Ltd. | Cooling system for electronic equipment |
US8274790B2 (en) | 2010-11-16 | 2012-09-25 | International Business Machines Corporation | Automatically reconfigurable liquid-cooling apparatus for an electronics rack |
US20130070409A1 (en) * | 2011-09-19 | 2013-03-21 | Dell Products L.P. | Information handling system cooling system |
US8514575B2 (en) | 2010-11-16 | 2013-08-20 | International Business Machines Corporation | Multimodal cooling apparatus for an electronic system |
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US8760863B2 (en) | 2011-10-31 | 2014-06-24 | International Business Machines Corporation | Multi-rack assembly with shared cooling apparatus |
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US9288935B2 (en) | 2007-12-17 | 2016-03-15 | Cray Inc. | Cooling systems and heat exchangers for cooling computer components |
US9310856B2 (en) | 2010-04-20 | 2016-04-12 | Cray Inc. | Computer cabinets having progressive air velocity cooling systems and associated methods of manufacture and use |
US9377808B1 (en) * | 2014-02-10 | 2016-06-28 | American Megatrends, Inc. | Modular computer enclosure with bracket system and rotatable plates |
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US10575443B2 (en) | 2005-12-22 | 2020-02-25 | Scalematrix | Method and apparatus for a distributed cooling system for electronic equipment enclosures |
US10588246B2 (en) | 2008-02-11 | 2020-03-10 | Cray, Inc. | Systems and associated methods for controllably cooling computer components |
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- 2006-07-20 EP EP06787894.2A patent/EP1929850B1/en active Active
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Also Published As
Publication number | Publication date |
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EP1929850B1 (en) | 2013-06-19 |
CN101238766B (en) | 2011-04-13 |
EP1929850A2 (en) | 2008-06-11 |
CN101238766A (en) | 2008-08-06 |
WO2007018994A2 (en) | 2007-02-15 |
WO2007018994A3 (en) | 2007-08-02 |
US20070030650A1 (en) | 2007-02-08 |
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